Doctor profile · Federal record

Dr. Amy Wu, M.D.

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Somerville, MA

  • NPI 1891958831
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Holland St
Somerville, MA 021442705
(617) 629-6250
fax (617) 629-6108

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
March 4, 2021
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Massachusetts #246993

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891958831. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,080
Distinct HCPCS
10
Medicare allowed
$84,728
HCPCS Description Services Patients Avg allowed
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated 533 195 $4
86140 Measurement c-reactive protein for detection of infection or inflammation 531 194 $5
36415 Insertion of needle into vein for collection of blood sample 515 193 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 379 181 $8
80053 Blood test, comprehensive group of blood chemicals 375 177 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 248 152 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 101 67 $190
99213 Established patient office or other outpatient visit, 20-29 minutes 79 69 $99
86160 Measurement of complement (immune system proteins), antigen, 51 18 $12
81003 Automated urinalysis test 50 36 $2

In context: peer comparison

Among 1 peers in Somerville Rheumatology Physician, average services per provider: 146. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,583
Patients
323
Total drug cost
$2,292,261
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 379 89 $15,054
Prednisone Generic 235 67 $2,458
Allopurinol Generic 155 42 $2,739
Hydroxychloroquine Sulfate Generic 130 39 $7,484
Leucovorin Calcium Generic 119 26 $2,137
Enbrel Sureclick (Etanercept) Brand 85 0 $624,797
Leflunomide Generic 76 22 $7,170
Sulfasalazine Generic 75 15 $1,224
Colchicine Generic 73 23 $6,533
Actemra (Tocilizumab) Brand 61 0 $226,708

Frequently asked questions

Auto-generated from federal data
What is Dr. Amy Wu's medical specialty?
Dr. Amy Wu practices Rheumatology Physician in Somerville, MA.
Where does Dr. Amy Wu practice?
Dr. Amy Wu practices at 40 Holland St, Somerville, MA 021442705. Office phone: 6176296250.
What is Dr. Amy Wu's NPI?
Dr. Amy Wu's National Provider Identifier (NPI) is 1891958831, issued by NPPES.
Does Dr. Amy Wu accept Medicare assignment?
Yes. Dr. Amy Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amy Wu commonly perform?
Top Medicare-reported procedures in 2023: Red blood cell sedimentation rate, to detect inflammation, non-automated (HCPCS 85651); Measurement c-reactive protein for detection of infection or inflammation (HCPCS 86140); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.